2006 Civic SI/FG2

FlashPro Manager software
DylanPT
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2006 Civic SI/FG2

Post by DylanPT »

Hello there!

My 2006 Civic SI is having a slight issue with engine codes and whatnot, I am getting an engine code P1658 which is a Starter relay control circuit code, the car will basically the car will have no throttle sometimes and when idling it will bounce between 3-4k rpm. But the other issue I am having is I am attempting to return my car to the stock ECU so I can unlock it from my vehicle so that there are no issues when it goes to the Mechanic, although I noticed that when I try to return my car's ECU to stock it is showing up as a 2007-2011 model when it is 2006, I attempted once to reflash the ECU to a stock FG2 2006 model through the calibration page so that it can return to stock and bypass opening the "online" tab and clicking "return ECU to stock", did I somewhere installing it mess up and put the wrong model year, and is there a way to change it to the proper one so I can properly return the ECU to the Stock 2006 FG2 ECU? I thought that once you put the FLASHPRO into the car it would take the VIN and automatically pull the correct vehicle model, but when I accidentally returned the ECU to stock the car would not start because it is not 2007, so I then proceeded to reflash it through calibration tab to the proper 2006 ECU, but can no longer return it back to the proper year. Any help is appreciated as I am currently stuck, Thanks!
EFICU
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Re: 2006 Civic SI/FG2

Post by EFICU »

Just to give you something run with until someone responds, you might need to send feedback through FlashPro Manager to Hondata with the Flashpro connected to the OBDII port and your laptop. Looking at the thread under you, viewtopic.php?f=29&t=24277 , it looks like this procedure gives them information to possibly help you. "Send feedback to Hondata" is located in the help tab at the top of FlashPro Manager software.

Hopefully it helps get you on the path to getting some help. Good luck with it.
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Hondata
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Re: 2006 Civic SI/FG2

Post by Hondata »

Your VIN is 2007, your calibration ID is 2007 and the ECU ID is 2007. Seems to me that you have a 2007 vehicle.

Do you have a VSA disable switch in the vehicle and/or VSA indicators lights on the dash?

Because no 2006 vehicles had VSA.
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DylanPT
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Re: 2006 Civic SI/FG2

Post by DylanPT »

I have no VSA disable button, I used a photo for reference and can’t find that or the lights, when I did a car fax the car came back as a 2006, although if I flash it as a 2007 which is the stock option it will not start? Which makes me think I’m having a bigger issue then I thought I was having
DylanPT
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Re: 2006 Civic SI/FG2

Post by DylanPT »

I just reflashed the car back to stock and it is running with the light on still which is a big step, but I’ve cleared to code and shut it off for a while to see what happens, I really wanna keep and use the Hondata, so if I have to buy a 2006 ecu and replace mine can I still use it as long as it is unlocked or will there be an issue.
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Spunkster
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Re: 2006 Civic SI/FG2

Post by Spunkster »

What was it doing before you tried using the FlashPro?
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Hondata
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Re: 2006 Civic SI/FG2

Post by Hondata »

Does your VIN on the vehicle match what the ECU reports? You can find this in the FlashPro window.

In any case the only difference between the 06 and 07+ is VSA, which you can disable in the calibration if you wish. But that should not affect the throttle relay error, which is the same between the two years anyhow.
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DylanPT
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Re: 2006 Civic SI/FG2

Post by DylanPT »

It was not doing it before I used the flashpro but I had the flash pro on for more then 3 weeks without any issues, out of nowhere it has came on so I am super confused.
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Hondata
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Re: 2006 Civic SI/FG2

Post by Hondata »

DylanPT wrote: Tue Apr 13, 2021 7:50 pmout of nowhere it has came on
What came on? The throttle error code? Why are you blaming the FlashPro for this?
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DylanPT
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Re: 2006 Civic SI/FG2

Post by DylanPT »

The DTC code p1658, I’m not blaming Hondata at all? Im trying to narrow down my problems so I’m not dumping a bunch of money into the car, if it’s a bad ecu then it’s a bad ecu, but I was trying to reflash the ecu to stock but stock shows up as a 2007-2011, that’s why I am confused because I have a 2006, I more and less was posting to see if I messed up somewhere when I originally flashed it and if anyone maybe had the same code that could help. I don’t want to create more issues by reflashing the ecu to the stock just in case but if it’s showing up as a 2007 then I will just return it to stock and see what happens
EFICU
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Re: 2006 Civic SI/FG2

Post by EFICU »

Dylan, can you confirm on the emissions sticker located on the hood that it conforms to 2006, or 2007 model year? That would tell you what year the car is for sure, granted the hood is original to the car. Check that emissions sticker for model year emissions compliance and post your cars production date. You could also run the VIN online and see what Carfax says. The sticker looks like this if you haven’t looked at it before.
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Just trying to help confirm your year, even though Hondata says it’s 07 based on what I’m assuming was data you provided through a feedback request?
DylanPT
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Re: 2006 Civic SI/FG2

Post by DylanPT »

Yes that is right I sent the feedback through the flashpro, I’m not blaming anyone or anything but myself I just wanna make that clear, but I wanna make sure I have the right ecu, because I noticed the flashpro is separating the 2006 model from the 2007-2011, but I’ve have read from the replies that the only difference is the VSA but I’m just truly lost where to look for this code without replacing everything and hoping it goes away, I would take it to Honda but I was told that they would need Atleast 3 hours to look at it and I would be paying out of pocket, so I would waste 500 just for them to say the same stuff back to me and that’s before new parts and install, sorry if any of this is confusing. (The accidents are for rear so the ecu couldn’t be changed in case of a front accident)
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EFICU
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Re: 2006 Civic SI/FG2

Post by EFICU »

I know you’re not blaming anyone, I’ve been following your thread and the one constant is the question of what year your car is. Now that we know for certain it is a model year 06, we can focus on your problem more direct. Based on the info from you and Hondata, it seems as though a previous owner swapped the ecu for an 07 for some reason, or it was perhaps replaced by a dealer and they used an 07.

To focus on the problem, check out this thread if you haven't already. According the OP, the p1658 code was the result of a faulty TPS sensor which caused the issue, see his last post.

https://www.8thcivic.com/threads/code-p1658.656597/

There is no need to take it to Honda for a repair like this. Where are you located in Canada?
DylanPT
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Re: 2006 Civic SI/FG2

Post by DylanPT »

The is probably what happened, why I'm not sure I can ask the previous owner if he or the guy before him had it swapped I will ask and then update the thread, I just wanna not to spend the 250 on a ecu if my problem is really just wiring or a relay I've run a test and they seem fine, it's also going to a mechanic later today that said he would look at it for a bit without charge but he won't continue or change anything after the 2 hours if he can't figure it out, thank you for helping though I appreciate it greatly.
DylanPT
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Re: 2006 Civic SI/FG2

Post by DylanPT »

I am located in Ontario, I will start with the TPS and go from there, the previous owner said that the owner before him had replaced it with a 2010 because his car wasn’t starting.
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